Dec 19, 2012 12:00pm PST
for gun control. six more victims low tide rest, three children today. earlier connecticut police escorted a hearse with victoria soto trying to protect her students she died hiding them in a closet. back-to-back funerals with mourners today paying respects to the school principal there who reportedly died trying to stop the gunman after he forced his way into the school. investigators are trying to figure out why he did it. what drove the 20-year old to kill all those people, mostly kids? a person who knew the family says lanza may have snapped after learning his mother was landing to commit him to a psychiatric facility. he may have thought his mother cared more about the school kids with whom she volunteered more than she cared about him of the likely, we will never know for sure. connecticut chief medical examiner is looking into genetic clues that could provide answers about the young man who left behind so much carnage. rick, what is the latest? rick: well, as you mentioned, the medical examiner is asking for help from scientist on what might have led him down the dark path.